Answer:
C: Densely populated coastal settlements would have suffered the largest number of deaths.
Step-by-step explanation:
After the Europeans started to settle in Australia, the Aborigines suffered multiple heavy hits. They were seen as primitive and useless, without value as people.
Europeans originally settled on the coast, where many Aborginals lived. They were carelessly murdered. Also, the diseases brought by the Europeans decimated the numbers of the Aborigines that were in contact with them, and very quickly their numbers went so low that they were on the verge of going extinct as people.